EP2647937A4 - Slag discharge door device for an electric furnace - Google Patents

Slag discharge door device for an electric furnace Download PDF

Info

Publication number
EP2647937A4
EP2647937A4 EP11844528.7A EP11844528A EP2647937A4 EP 2647937 A4 EP2647937 A4 EP 2647937A4 EP 11844528 A EP11844528 A EP 11844528A EP 2647937 A4 EP2647937 A4 EP 2647937A4
Authority
EP
European Patent Office
Prior art keywords
electric furnace
door device
slag discharge
discharge door
slag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11844528.7A
Other languages
German (de)
French (fr)
Other versions
EP2647937A1 (en
Inventor
Joon-Seong Ki
Jin-Ill Hwang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Steel Co
Original Assignee
Hyundai Steel Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46172093&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2647937(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from KR1020100119540A external-priority patent/KR101225325B1/en
Priority claimed from KR1020100138309A external-priority patent/KR101225260B1/en
Application filed by Hyundai Steel Co filed Critical Hyundai Steel Co
Publication of EP2647937A1 publication Critical patent/EP2647937A1/en
Publication of EP2647937A4 publication Critical patent/EP2647937A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/105—Slag chamber
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/54—Processes yielding slags of special composition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/19—Arrangements of devices for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1545—Equipment for removing or retaining slag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1545—Equipment for removing or retaining slag
    • F27D3/1554—Equipment for removing or retaining slag for removing the slag from the surface of the melt
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2300/00—Process aspects
    • C21C2300/02—Foam creation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • F27D2001/1875—Hanging doors and walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/168—Introducing a fluid jet or current into the charge through a lance
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Special Wing (AREA)
EP11844528.7A 2010-11-29 2011-08-30 Slag discharge door device for an electric furnace Withdrawn EP2647937A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020100119540A KR101225325B1 (en) 2010-11-29 2010-11-29 Door Apparatus for Discharging a Slag of Electric furnace
KR1020100138309A KR101225260B1 (en) 2010-12-29 2010-12-29 Door Structure for Discharging a Slag of Electric furnace
PCT/KR2011/006425 WO2012074186A1 (en) 2010-11-29 2011-08-30 Slag discharge door device for an electric furnace

Publications (2)

Publication Number Publication Date
EP2647937A1 EP2647937A1 (en) 2013-10-09
EP2647937A4 true EP2647937A4 (en) 2018-01-10

Family

ID=46172093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11844528.7A Withdrawn EP2647937A4 (en) 2010-11-29 2011-08-30 Slag discharge door device for an electric furnace

Country Status (5)

Country Link
US (1) US9664444B2 (en)
EP (1) EP2647937A4 (en)
JP (1) JP5735125B2 (en)
CN (1) CN103328913B (en)
WO (1) WO2012074186A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101277817B1 (en) * 2011-09-30 2013-06-21 주식회사 서울엔지니어링 Door Manufacturing Method for Discharging a Slag
CN108844371A (en) * 2018-09-12 2018-11-20 中冶京诚工程技术有限公司 Closed furnace door of electric arc furnace
US11390551B2 (en) * 2019-10-01 2022-07-19 Owens-Brockway Glass Container Inc. Cooling panel for a melter
US20220388886A1 (en) * 2020-08-14 2022-12-08 Owens-Brockway Glass Container Inc. Cast cullet-based layer on wall Panel for a Melter
CN113686154A (en) * 2021-08-17 2021-11-23 云南锡业股份有限公司锡业分公司 Repairing method for high-temperature liquid metal discharge port discharge brick

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0587518A1 (en) * 1992-09-11 1994-03-16 UNIMETAL Société Française des Aciers Longs Slagremoving door of an arc furnace
WO2010043216A1 (en) * 2008-10-15 2010-04-22 Sms Siemag Aktiengesellschaft Slag door for metallurgic furnaces
WO2010094584A1 (en) * 2009-02-19 2010-08-26 Sms Concast Italia S.R.L. Arc metallurgic furnace slagging door
EP2482018A1 (en) * 2009-12-29 2012-08-01 Hyundai Steel Company Slag discharge door apparatus for an electric furnace

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1313491A (en) * 1919-08-19 Furnace feed-chute
JPS615186A (en) * 1984-06-18 1986-01-10 株式会社大井製作所 Window regulator for car
JP3170597B2 (en) 1994-10-11 2001-05-28 新日本製鐵株式会社 Electric furnace oxygen injection equipment
DE4445209C2 (en) 1994-12-17 1999-01-21 Schloemann Siemag Ag Method and device for operating a double-vessel arc furnace
JP3867310B2 (en) * 1995-11-08 2007-01-10 石川島播磨重工業株式会社 Removal door device for arc furnace for steel making
WO1999054512A1 (en) * 1997-02-19 1999-10-28 Kawasaki Steel Corporation Method of judging slag forming state in electric furnace steel production and method of operating electric furnace
US6000938A (en) * 1998-10-27 1999-12-14 Melanowicz; Arek Automated door mechanism for heat treating furnace
EP1126039B1 (en) * 2000-02-17 2007-02-14 John A. Vallomy Method for reductively processing the liquid slag and the baghouse dust of the electric arc furnace
JP2002062057A (en) * 2000-08-24 2002-02-28 Nkk Corp Method for cooling and protecting furnace wall of metallurgical furnace and furnace wall cooling device
KR100983659B1 (en) 2003-04-21 2010-09-24 주식회사 포스코 Manipulator a combined use slag door
JP5373603B2 (en) * 2006-06-20 2013-12-18 エプコ（カナダ）リミテッド Metallurgical furnace slag door sealing device
CN101294246B (en) * 2007-04-28 2010-12-15 贵州世纪天元矿业有限公司 Deslagging method for reduction furnace, deslagging system of reduction furnace constructed according to the method
CN101865474B (en) * 2010-06-10 2012-04-18 重庆市牛人科技有限公司 Slag discharging device and pulverized coal burner using same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0587518A1 (en) * 1992-09-11 1994-03-16 UNIMETAL Société Française des Aciers Longs Slagremoving door of an arc furnace
WO2010043216A1 (en) * 2008-10-15 2010-04-22 Sms Siemag Aktiengesellschaft Slag door for metallurgic furnaces
WO2010094584A1 (en) * 2009-02-19 2010-08-26 Sms Concast Italia S.R.L. Arc metallurgic furnace slagging door
EP2482018A1 (en) * 2009-12-29 2012-08-01 Hyundai Steel Company Slag discharge door apparatus for an electric furnace

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012074186A1 *

Also Published As

Publication number Publication date
CN103328913B (en) 2015-07-29
CN103328913A (en) 2013-09-25
US20130250996A1 (en) 2013-09-26
US9664444B2 (en) 2017-05-30
JP5735125B2 (en) 2015-06-17
JP2014502334A (en) 2014-01-30
EP2647937A1 (en) 2013-10-09
WO2012074186A1 (en) 2012-06-07

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